Dino Dizdarevic, whose family had fled to Kentucky from Banja Luka, Bosnia, in 1995 as war refugees, had no wallet when he was found. It wasn't until he was reported missing to Philadelphia police over the weekend that cops in Chester were able to identify his body. Just what drew the handsome, raven-haired chemical engineer - who moved from Louisville to a North Philly loft with his boyfriend in August - to the gritty town 18 miles south is a mystery. Neither his sister nor his boyfriend of nearly two years, Nick McBee, could imagine why he'd go to Chester,...